diff --git a/.gitignore b/.gitignore
index db81d01..8520d62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,4 @@
 /graph-tool-2.54.tar.bz2
 /graph-tool-2.55.tar.bz2
 /graph-tool-2.56.tar.bz2
+/graph-tool-2.57.tar.bz2
diff --git a/python-graph-tool.spec b/python-graph-tool.spec
index 315a1e2..908a686 100644
--- a/python-graph-tool.spec
+++ b/python-graph-tool.spec
@@ -14,7 +14,7 @@ Please refer to https://graph-tool.skewed.de/static/doc/index.html for
 documentation.}
 
 Name:           python-graph-tool
-Version:        2.56
+Version:        2.57
 Release:        %autorelease
 Summary:        Efficient network analysis tool written in Python
 
diff --git a/sources b/sources
index fea908d..09e913a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (graph-tool-2.56.tar.bz2) = 4db3711a87067e98095cb2cf49a5a7edb45723ecd238de8b4ff4ca13c34133c5552a29f6b5100e5b8b10a15ec1cac4d0e31578374ed73261d1e18b90980eef1c
+SHA512 (graph-tool-2.57.tar.bz2) = 48d0cf269abaa3124f69e3d67cad6e68db17953806a474905b450e0a203a95903ac17aaba4d7edfe6934e518fc9a6b1a894a6e99f72ea6fbffe5ad80b4efd77d